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Finding the Fourth Proportional to 216,652.35, 324,912.90 and 58,860.30

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Solution

The fourth proportional to 216,652.35, 324,912.90 and 58,860.30 is: 88,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,652.35 : 324,912.90 = 58,860.30 : x
  2. Step 2: Convert to fraction form
    216,652.35/324,912.90 = 58,860.30/x
  3. Step 3: Cross multiply
    216,652.35x = 324,912.90 × 58,860.30
  4. Step 4: Simplify right side
    216,652.35x = 19,124,470,767.87
  5. Step 5: Solve for x
    x = 19,124,470,767.87/216,652.35
  6. Step 6: Final answer
    x = 88,272.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.